Automatic stop for pistons.



` PTENTED MAY 28, 1907.

E. C. THRSGHMIDT. v AD'TGMTG STOP PGR PISTNS.

EPLIOATION FILED JUNE 5, 1906.

'WW-Winni ji si s il TV? i i f' wenn friser :fri s Ellis ii Applimnw ledJune. 5,1905- Seriei H0. SZLZQL resnlnni ol'atlw wirr ni' New York,liorougl'i ol"4 ilrnolili'n, in nl' New York, :i proved .Xuluinzii illefollowing is srriplion.

This invention relaties in improvements if ille rnnniy oi Kings andSmile n w.' nwenied e new and fini e Sien; for Pistons, of which airiill, oli-ing sind exact demnninsiie stops for pistons animated bypistons, enilodying my invention, and ellen point ont the novelfeatures' in the appended claims. i 'ieferene is ee had totheseeoninsny- "ng drawing forming of his speelden mornin whieh the'iignre is s sectional View of en engine with en nuvoma'tio stopeiniiodvinsr my invention. .I u Referring to ille fire-wing, ldesignates s cylinder, and 2 e piston onere-tingl therein, he rod 3 ofwhich niej; connect wiih 2 heinnier or other suitebie devicex Freni svslve casing 4, i pipe 5 leeds to connection with hreneh pipes 6, '.7,the said hrsneh 6 ieeding hrough one of the cylinder needs to seri/e isthe inlet pipe for the motive ageni; end he other hrenoh 7, leeds'through the e 'weil imsnrd oi the heed :is elo-eriy indi i The hrnnon ois provided with e veli/re easing f. in which en inwardly opening cheekvalve i); and the branch 7 also is provided with a Verve casing l() inwhich is arranged .en outwardly. opening oheolf. Valve li. Also endingfrom the 'valve i is a pipe 12 von;inuniinting wilgh a siemn inletbreech pipe i3 and anexheusi brsnoh pipe ifi. "lhese branches arearrengedoi course, at the opposite end of the c-yiinfley to the branchesiirsi described, and the branch 13 ieails through'the cylinder heedwhiie thev branch 14 passes through the cylinder hody inward of theheed. The branch i3 is provvided with en inwardly openingr Cheek valve1:3 while the branch 14 has en outwardly @peiling cheek valve NS, thesevalves being arranged respectively in casings 17, i8. Within the valvecasing. e is e. rotary Valve 1H .fnivli when the motive agent is to heused Apecication of Lei-ters stenis.

for the. purpose deseribed, is to he i in ned Inzvinunlly; and thisveive is provided wnzh ,Doris 20, 2l, whereby live seern or other motiveegen passing into the easing through suppijf pine may se directe intothe nine 5, end rie/nee iliioiiwh she hrenen o to somete the piston;sind n the port is in si .5h position es indicated in the drawing, theport 2l will be placed in comniunioetion with ihe i2 end exhaust pipeVFor re Versing the moion of the pision of course, the 'vulve i9 is inbe turned to niece the pipes 22 and in communication, iorihepesssge of'he eeusing agent and ibo, place the pipe. and '3 in Connection for enexhaust. f Arranged in the Wnli of die eyiinder si its opposite ends areedm izing ports 2d, 25, er rsnged et. eine ends'oi which are Valve seats2li, 2'7, for the valves 28, 2.1), these Valves being pressed towardbiieir seats by nien-ns oi springs Si), Si, extended from plugs 32, 33,engaging in suitable bushings in the cylinder heads. The. veive seatshere shown are eonneeied' to rods Se the outer ends being eonnee'ted tothe plug/is, 'aims prnetienily vleuning; skeleton ossings for the "rahes, and from these eesings the motif/e agent passes io the interior ofthe cylinder through die ports or 36, formed through the waii of thecylinder et its ends. in the opere-tion, assuming the piston i0 loe etthe indioaized in the drawing, when the .inoiive zig-ens is turned on,the pressure will ciose Ahe Valve i end open he valve Q perniiting t' ienoi e agentV te into die Gylinder to the -rzisron, noriion oi theoressure will engage. with the naive 253, eiomng it on its seeif andupon the piston nenriy reselling its complet stroke, the pressure si,the rear side thereof will nnss 'through the pori; 25 and open the valve29 so that s cushioning will relie place si the opposite side of thepiston.

When the piston covers'or over the having a supply branch lea-,dingthrough one. outwardly' opening valve in Said last-named 1o end of thecylinder, an inwardly opening exhaust branch.

`valve therein, an exhaust branch connecting n testimony whereof I havevsigned my A l with saidv pipe, an outwardly o ening Vvulve l name tothis specificzttion in the presence Qf in. the exhaust branch, a seconpipe having two subscribing witnesses.

. a s upply branch leading through vthe piston ERNEST C. THORSQHMIDT.A

end o f they cylinder,I an inwardly o ning Witnesses: yaliezin saidbrunch, an exhaust brano com- E. C. NIELSON, 'mmxcating with saidsecond'pipe, and an l C.l R. FERGUSON.

